{
  "schema": "kts-node-coherence-measurement@1",
  "node_id": "NODE-20",
  "method": "reachability-and-field-consistency-v1",
  "measured_at": "2026-09-01T17:15:33.626Z",
  "topology_version_observed": "2026-08-01-v3.4.0-fabric",
  "node_count_observed": 21,
  "node20_present": true,
  "node20_field_agreement": "pass",
  "governing_evidence_url": "https://kosmos.evidence.ktsglobal.live/federation/onboarding/node-20/2026-07-31/onboarding-evidence.json",
  "governing_evidence_sha256_expected": "7a82ef9879292659631510221226ac2e00f8f5efe24d8894deaa0812b21f9a0d",
  "governing_evidence_sha256_observed": "7a82ef9879292659631510221226ac2e00f8f5efe24d8894deaa0812b21f9a0d",
  "governing_evidence_bytes": 11475,
  "checks": [
    {
      "name": "node1_topology_http_200",
      "result": "pass",
      "response_digest": "e0537d38e1972c01e30feb81b7b6311e06ae44b85e099af3c49d7f935646afe1",
      "note": "bytes=59466 took_ms=213"
    },
    {
      "name": "node1_network_name",
      "result": "pass",
      "response_digest": null,
      "note": "network=KTS-Global-Authority-Network"
    },
    {
      "name": "node20_present_exactly_once",
      "result": "pass",
      "response_digest": null,
      "note": "count=1"
    },
    {
      "name": "node20_field_agreement",
      "result": "pass",
      "response_digest": null,
      "note": "all 8 identity fields match NODE-1 record"
    },
    {
      "name": "node6_governing_evidence_http_200",
      "result": "pass",
      "response_digest": "7a82ef9879292659631510221226ac2e00f8f5efe24d8894deaa0812b21f9a0d",
      "note": "bytes=11475 took_ms=454"
    },
    {
      "name": "node6_governing_evidence_sha256",
      "result": "pass",
      "response_digest": "7a82ef9879292659631510221226ac2e00f8f5efe24d8894deaa0812b21f9a0d",
      "note": "matches locked reference digest"
    },
    {
      "name": "peer_node-18_node_json",
      "result": "skip",
      "response_digest": null,
      "note": "no node_json endpoint declared in NODE-1 topology"
    },
    {
      "name": "peer_node-19_node_json",
      "result": "skip",
      "response_digest": null,
      "note": "no node_json endpoint declared in NODE-1 topology"
    },
    {
      "name": "peer_node-21_node_json",
      "result": "fail",
      "response_digest": "7d04f7431bbfa41a04bcc7e6b98b9de0d919756c4c671c5785c99fff45f16402",
      "note": "HTTP 404"
    }
  ],
  "checks_passed": 6,
  "checks_total": 7,
  "agreement_ratio": "6/7",
  "score": 0.8571428571428571,
  "status": "degraded"
}